Responses of prolactin cells of two euryhaline marine fishes, Gillichthys mirabilis and Platichthys stellatus, to environmental salinity Yoshitaka NagahamaRichard S. NishiokaHoward A. Bern OriginalPaper Pages: 153 - 167
Scanning electron microscopy of the third ventricle of sheep Gerald P. KozlowskiDavid E. ScottGerda Krobisch Dudley OriginalPaper Pages: 169 - 176
Ultrastructural changes in rat epididymis after vasectomy Nancy J. Alexander OriginalPaper Pages: 177 - 182
Direct demonstration of eight-fold symmetry in nuclear pores A. C. Fabergé OriginalPaper Pages: 183 - 190
Secretory surface phenomena in freeze-etched preparations of the adenohypophysical cells and neurosecretory fibers Shigeo DaikokuTamio TakahashiYuichi G. Watanabe OriginalPaper Pages: 207 - 214
Histochemical demonstration of Δ5-3 ß-OHD activity in the granulosa cells of ovarian follicles of immature and mature mice correlated with some ultrastructural observations A. I. HadjioloffV. BournevaP. Motta OriginalPaper Pages: 215 - 228
The effects of desiccation and starvation upon the weight, histology and ultrastructure of the reproductive tract of Biomphalaria glabrata, intermediate host of Schistosoma mansoni Marijke de Jong-Brink OriginalPaper Pages: 229 - 262
Epithelial ultrastructure and the distribution of an estradiol sensitive antigen in the vagina of adult mice Stener KvinnslandArnold Åbro OriginalPaper Pages: 263 - 275
Die Feinstruktur des Protonephridialsystems von Turbanella cornuta Remane, einem marinen Gastrotrich der Ordnung Macrodasyoidea Gertraud Teuchert OriginalPaper Pages: 277 - 289
Electrophysiological-histological studies on some functional properties of visual cells and second order neurons of an insect retina M. JärvilehtoF. Zettler OriginalPaper Pages: 291 - 306